'''

while打印矩形  九行九列
'''
"""

i=2
while i<=9:
    j=1
    while j<=9:
        print("@",end=" ")
        j+=1
        print()
        i+=2
"""



i=1
while i<=9:#控制行
    j=1
    while j<=9:#控制列
        print("*",end=" ")
        j+=1
    print()
    i+=1


